CVE-2025-54989 MEDIUM

CVE-2025-54989: Firebird XDR Message Parsing NULL Pointer Dereference Denial-of-Service Vulnerability

Vendor Firebirdsql
Product firebird
Weakness CWE-476
Published August 15, 2025
Last update November 3, 2025
View on NVD All CVEs

CVSS base score

5.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

What the vulnerability does

01Description

Firebird is a relational database. Prior to versions 3.0.13, 4.0.6, and 5.0.3, there is an XDR message parsing NULL pointer dereference denial-of-service vulnerability in Firebird. This specific flaw exists within the parsing of xdr message from client. It leads to NULL pointer dereference and DoS. This issue has been patched in versions 3.0.13, 4.0.6, and 5.0.3.

Key dates

02Disclosure timeline

August 15, 2025 CVE published
November 3, 2025 Record updated